In this paper a discussion was also given on factors causing corrosions,and measures were analysed of protecting cans from damaging and corrosing

為了減緩飲料對(duì)罐體的腐蝕，比較了多種絡(luò)合劑国产怕怕、植物抽提物和緩蝕添加劑等在降低導(dǎo)電值方面的效果。

Meanwhile,the corrosion mechanism and setting methods of different corrosions are elaborated,which have some referential value for different PAN fiber producing devices.

闡述了各種腐蝕發(fā)生的機(jī)理和處理辦法，對(duì)各腈綸生產(chǎn)裝置均有一定的參考價(jià)值亚洲国产欧美日韩欧美2016。

All kinds of engineering structures are susceptible to structural damage during their lives due to many factors, such as operating loads, fatigues, and corrosions. Undetected damage can result in some catastrophic failures, which is very costly in terms of human life and property damage.

對(duì)于各種服役的工程結(jié)構(gòu)，在其外部環(huán)境的作用下，都將會(huì)產(chǎn)生結(jié)構(gòu)內(nèi)部的物性損傷久久免费视频性爱视频，而這些損傷往往具有很大的危險(xiǎn)性青青青国产在线精美视频，會(huì)導(dǎo)致結(jié)構(gòu)物倒塌或者失效，從而造成巨大的經(jīng)濟(jì)損失免费欧美性生活。

CO2 corrosion is one of the most common corrosions in oil and gas industry, so the anti-corrosion technology, closely related to the quality and working life of CO2-contained gas wells, is the basis for safe and highly efficient production of gas wells.

CO2腐蝕是世界石油天然氣工業(yè)中常見的一種腐蝕類型欧美在线a片黄色a片，含CO2氣井的相關(guān)工藝技術(shù)直接關(guān)系著氣井的質(zhì)量與壽命，是氣井安全美女被操的好爽的免费视频网站、高效生產(chǎn)的基礎(chǔ)抠屄操b视频。

The corrosions of reflux tank of pre-fractionator in an oil refinery were analyzed;proposals and measures for avoiding corrosion were suggested in this paper.

對(duì)某煉廠檢修發(fā)現(xiàn)的預(yù)分餾塔回流罐腐蝕減薄情況進(jìn)行了分析，提出了防止腐蝕的建議和措施特级毛片WWW中文字幕无码。

In corrosions of steel, comparison of two models, realistic traffic situation, is studied in the article.The results can be used to predict the service lifetime of RC bridges, and to develop rational and economical maintenance schemes for these bridges.

并對(duì)兩種腐蝕組合模式在實(shí)際運(yùn)行狀態(tài)對(duì)結(jié)構(gòu)的影響進(jìn)行了比較分析欧美影院a∨天堂，為經(jīng)濟(jì)、科學(xué)地安排維護(hù)時(shí)間和維護(hù)方案提出理論指導(dǎo)国产精品免费视频2021，為橋梁的評(píng)估和鑒定提供了一種方法搜毛片索毛片搜黄片搜黄片色毛片。

MgAl_2O_4 and MgAl_2O_4-MgAlON composite were synthesized in lab, and the corrosions of these two refractory materials in molten steel were investigated also.

實(shí)驗(yàn)室制備了MgAl_2O_4尖晶石材料和MgAl_2O_4-MgAlON復(fù)相材料，研究了鋼液對(duì)兩類耐火材料的侵蝕日韩无码h。

For the corrosion of food machine ,the author introduces the characteristics of some prevalent corrosions,and then expatiates the preventive control of food machine ′s antisepsis in design process,including material choosing,structure design and manufacture.

針對(duì)食品機(jī)械的腐蝕国产69精品久久久久9999不卡，本文首先介紹了幾種最常見的腐蝕形態(tài)的特點(diǎn)，然后從材料選擇免费成年人在线、結(jié)構(gòu)設(shè)計(jì)久久久久久久精品国产免、加工制造等方面闡述了在設(shè)計(jì)階段實(shí)現(xiàn)食品機(jī)械防腐的預(yù)防性控制措施。

The corrosive principles of corrosions and the stainless steel's inoxidizability in the chemical medium are introduced respectively in the paper.

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Field investigations on reinforced concrete structures in Qinghai salt lake region discovered that corrosions of concrete and steel reinforced concrete were particularly serious and universal.

第二章簡(jiǎn)要介紹了我國(guó)鹽湖地區(qū)的環(huán)境氣候條件，針對(duì)典型鹽湖鹵水中含有的對(duì)混凝土產(chǎn)生物理化學(xué)腐蝕的侵蝕性離子濃度日韩-本道黄色网站站，重新劃分了鹽湖鹵水的類型国产一区在，現(xiàn)場(chǎng)考察了混凝土與鋼筋混凝土結(jié)構(gòu)在青海鹽湖地區(qū)的腐蝕與破壞現(xiàn)狀。